Southwest Airlines flight WN 3156: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 06:25 Islip (ISP) 09:15 West Palm Beach (PBI)
WN 3156 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-10-07 through 2025-10-29
Sun 06:40 Islip (ISP) 09:30 West Palm Beach (PBI)
WN 3156 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-10-05 through 2025-10-26
Sat 07:30 Fort Lauderdale (FLL) 1 09:35 Raleigh/Durham (RDU) 1
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-11-22 through 2025-11-29
Sat 07:30 Fort Lauderdale (FLL) 1 09:35 Raleigh/Durham (RDU) 1
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-12-20 through 2026-01-03
Sun 07:35 Denver (DEN) 10:15 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737-800 (73H) 1:40 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 08:00 Denver (DEN) 10:35 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 08:00 Denver (DEN) 10:35 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 08:00 Denver (DEN) 10:35 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-07 through 2025-12-14
Thu 08:00 Denver (DEN) 10:35 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2025-12-18
Mon 08:00 Denver (DEN) 10:35 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2026-01-05
Sat 09:30 Denver (DEN) 12:00 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-11-08 through 2025-11-15
Sat 09:30 Denver (DEN) 12:00 Oklahoma City (OKC)
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-12-06 through 2025-12-13
Sat 11:00 Baltimore (BWI) 12:10 Islip (ISP)
WN 3156 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 11:35 Islip (ISP) 14:25 West Palm Beach (PBI)
WN 3156 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-10-02 through 2025-10-31
Sun 12:05 Orlando (MCO) 14:20 Cincinnati (CVG)
WN 3156 Non-stop Boeing 737-700 (73W) 2:15 Operates only on 2025-05-25
Sat 12:55 Islip (ISP) 15:50 West Palm Beach (PBI)
WN 3156 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 13:45 San Jose (SJC) B 15:05 Long Beach (LGB)
WN 3156 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2025-06-02
Mon,Thu,Fri 14:45 Denver (DEN) 19:45 Buffalo (BUF)
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:45 Denver (DEN) 19:45 Buffalo (BUF)
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-07-07 through 2025-08-04
Sat 17:50 Denver (DEN) 23:00 Buffalo (BUF)
WN 3156 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-06-07 through 2025-08-02
Sun 18:40 Denver (DEN) 23:45 Buffalo (BUF)
WN 3156 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-06-08 through 2025-08-03
Tue,Wed 19:00 New York LaGuardia (LGA) B 22:05 Love Field, Dallas (DAL) 1
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-11-04 through 2025-11-12
Mon-Thu 19:00 New York LaGuardia (LGA) B 22:05 Love Field, Dallas (DAL) 1
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-11-17 through 2025-11-20
Mon-Fri 19:00 New York LaGuardia (LGA) B 22:05 Love Field, Dallas (DAL) 1
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-02 through 2025-12-11
Mon-Wed 19:00 New York LaGuardia (LGA) B 22:05 Love Field, Dallas (DAL) 1
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-15 through 2025-12-17
Wed,Thu 19:00 New York LaGuardia (LGA) B 22:05 Love Field, Dallas (DAL) 1
WN 3156 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-24 through 2026-01-01
Tue,Wed 19:45 Denver (DEN) 00:50 Buffalo (BUF)
WN 3156 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-06-10 through 2025-07-30
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 11:00 Baltimore (BWI) 15:50 West Palm Beach (PBI)
WN 3156 1-stop Boeing 737-800 (73H) 4:50 Effective 2025-10-04 through 2025-11-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3156: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3156
06:25
Islip (ISP)

09:15
West Palm Beach (PBI)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
06:40
Islip (ISP)

09:30
West Palm Beach (PBI)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
07:30
Fort Lauderdale (FLL) 1

09:35
Raleigh/Durham (RDU) 1
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
07:30
Fort Lauderdale (FLL) 1

09:35
Raleigh/Durham (RDU) 1
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
07:35
Denver (DEN)

10:15
Oklahoma City (OKC)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
08:00
Denver (DEN)

10:35
Oklahoma City (OKC)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
08:00
Denver (DEN)

10:35
Oklahoma City (OKC)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
08:00
Denver (DEN)

10:35
Oklahoma City (OKC)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
08:00
Denver (DEN)

10:35
Oklahoma City (OKC)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
08:00
Denver (DEN)

10:35
Oklahoma City (OKC)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
09:30
Denver (DEN)

12:00
Oklahoma City (OKC)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
09:30
Denver (DEN)

12:00
Oklahoma City (OKC)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
11:00
Baltimore (BWI)

12:10
Islip (ISP)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
11:35
Islip (ISP)

14:25
West Palm Beach (PBI)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
12:05
Orlando (MCO)

14:20
Cincinnati (CVG)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3156
12:55
Islip (ISP)

15:50
West Palm Beach (PBI)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
13:45
San Jose (SJC) B

15:05
Long Beach (LGB)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3156
14:45
Denver (DEN)

19:45
Buffalo (BUF)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
14:45
Denver (DEN)

19:45
Buffalo (BUF)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
17:50
Denver (DEN)

23:00
Buffalo (BUF)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3156
18:40
Denver (DEN)

23:45
Buffalo (BUF)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3156
19:00
New York LaGuardia (LGA) B

22:05
Love Field, Dallas (DAL) 1
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
19:00
New York LaGuardia (LGA) B

22:05
Love Field, Dallas (DAL) 1
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
19:00
New York LaGuardia (LGA) B

22:05
Love Field, Dallas (DAL) 1
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
19:00
New York LaGuardia (LGA) B

22:05
Love Field, Dallas (DAL) 1
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
19:00
New York LaGuardia (LGA) B

22:05
Love Field, Dallas (DAL) 1
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3156
19:45
Denver (DEN)

00:50(+1)
Buffalo (BUF)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3156
11:00
Baltimore (BWI)

15:50
West Palm Beach (PBI)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:50, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Islip (ISP)
  • Baltimore (BWI) - West Palm Beach (PBI)
  • Denver (DEN) - Buffalo (BUF)
  • Denver (DEN) - Oklahoma City (OKC)
  • Fort Lauderdale (FLL) - Raleigh/Durham (RDU)
  • Islip (ISP) - West Palm Beach (PBI)
  • New York LaGuardia (LGA) - Love Field, Dallas (DAL)
  • Orlando (MCO) - Cincinnati (CVG)
  • San Jose (SJC) - Long Beach (LGB)
All Southwest Airlines flights
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